Unmarried couples who live together and “lewdly associate” with one another may face up to a year in prison.

61-8-4. Lewd and lascivious cohabitation and conduct; penalty; when persons presumed to be unmarried.

If any persons, not married to each other, lewdly and lasciviously associate and cohabit together, or, whether married or not, be guilty of open or gross lewdness and lasciviousness, they shall be guilty of a misdemeanor, and, upon conviction, shall be fined not less than fifty dollars, and may, in the discretion of the court, be imprisoned not exceeding six months, and, upon a repetition of the offense, they shall, upon conviction, be confined in jail not less than six nor more than twelve months. In prosecutions for adultery and fornication, and for lewdly and lasciviously cohabiting together, the persons named in the indictment shall be presumed to be unmarried persons in the absence of proof to the contrary.